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[PATCH v2 09/12] irqchip/metag-ext: Report that effective affinity is a single target

From Marc Zyngier <marc.zyngier@arm.com>
Newsgroups linux.kernel
Subject [PATCH v2 09/12] irqchip/metag-ext: Report that effective affinity is a single target
Date 2017-08-18 10:50 +0200
Message-ID <ufL8C-13v-3@gated-at.bofh.it> (permalink)
References <ufKYV-Zv-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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The metag-ext driver only targets a single CPU at a time, even if
the notional affinity is wider. Let's inform the core code
about this.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
---
 arch/metag/Kconfig              | 1 +
 drivers/irqchip/irq-metag-ext.c | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/arch/metag/Kconfig b/arch/metag/Kconfig
index 5b7a45d99cfb..7d8b322e5101 100644
--- a/arch/metag/Kconfig
+++ b/arch/metag/Kconfig
@@ -26,6 +26,7 @@ config METAG
 	select HAVE_SYSCALL_TRACEPOINTS
 	select HAVE_UNDERSCORE_SYMBOL_PREFIX
 	select IRQ_DOMAIN
+	select GENERIC_IRQ_EFFECTIVE_AFF_MASK
 	select MODULES_USE_ELF_RELA
 	select OF
 	select OF_EARLY_FLATTREE
diff --git a/drivers/irqchip/irq-metag-ext.c b/drivers/irqchip/irq-metag-ext.c
index 0cdd923d1535..be7216bfb8dd 100644
--- a/drivers/irqchip/irq-metag-ext.c
+++ b/drivers/irqchip/irq-metag-ext.c
@@ -518,6 +518,8 @@ static int meta_intc_set_affinity(struct irq_data *data,
 
 	metag_out32(TBI_TRIG_VEC(TBID_SIGNUM_TR2(thread)), vec_addr);
 
+	irq_data_update_effective_affinity(data, cpumask_of(cpu));
+
 	return 0;
 }
 #else
@@ -578,6 +580,8 @@ static int meta_intc_map(struct irq_domain *d, unsigned int irq,
 	else
 		irq_set_chip_and_handler(irq, &meta_intc_edge_chip,
 					 handle_edge_irq);
+
+	irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(irq)));
 	return 0;
 }
 
-- 
2.11.0

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Thread

[PATCH v2 00/12] genirq/irqchip: Effective affinity fixups Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:40 +0200
  [PATCH v2 05/12] irqchip/gic-v3-its: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:40 +0200
    [tip:irq/core] irqchip/gic-v3-its: Report that effective affinity  is a single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
  [PATCH v2 04/12] irqchip/gic-v3: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:40 +0200
    [tip:irq/core] irqchip/gic-v3: Report that effective affinity is a  single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
  [PATCH v2 02/12] genirq/proc: Use the the accessor to report the effective affinity Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:40 +0200
    [tip:irq/core] genirq/proc: Use the the accessor to report the  effective affinity tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
  [PATCH v2 11/12] irqchip/mips-gic: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:50 +0200
    [tip:irq/core] irqchip/mips-gic: Report that effective affinity is  a single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
  [PATCH v2 09/12] irqchip/metag-ext: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:50 +0200
    [tip:irq/core] irqchip/metag-ext: Report that effective affinity is  a single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
  [PATCH v2 07/12] irqchip/bcm-6345-l1: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:50 +0200
    [tip:irq/core] irqchip/bcm-6345-l1: Report that effective affinity  is a single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
  [PATCH v2 01/12] genirq: Restrict effective affinity to interrupts actually using it Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:50 +0200
    [tip:irq/core] genirq: Restrict effective affinity to interrupts  actually using it tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
  [PATCH v2 03/12] irqchip/gic: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:50 +0200
    [tip:irq/core] irqchip/gic: Report that effective affinity is a  single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
  [PATCH v2 10/12] irqchip/hip04: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:50 +0200
    [tip:irq/core] irqchip/hip04: Report that effective affinity is a  single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
  [PATCH v2 12/12] irqchip/xtensa-mx: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:50 +0200
    [tip:irq/core] irqchip/xtensa-mx: Report that effective affinity is  a single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
  [PATCH v2 08/12] irqchip/bcm-7038-l1: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:50 +0200
    [tip:irq/core] irqchip/bcm-7038-l1: Report that effective affinity  is a single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200
  [PATCH v2 06/12] irqchip/armada-370-xp: Report that effective affinity is a single target Marc Zyngier <marc.zyngier@arm.com> - 2017-08-18 10:50 +0200
    [tip:irq/core] irqchip/armada-370-xp: Report that effective  affinity is a single target tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-08-18 11:10 +0200

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